You're looking for a guide on Windows Vista Lite from Archive.org. Windows Vista Lite is a customized version of Windows Vista that is optimized for performance on lower-end hardware. Since you're interested in using it from Archive.org, I'll provide a step-by-step guide on how to access and use Windows Vista Lite from there.
Vista Super Lite SP1 (by Wender) : Microsoft - Internet Archive windows vista lite archiveorg
You cannot find Windows Vista Lite on Microsoft's servers. You may find sketchy torrents filled with malware. for several reasons: You're looking for a guide on Windows Vista